Adaptor fitting for fuel lines



FIG. 1 is a perspective view of an adaptor fitting for fuel lines showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view. 

The ornamental design for an adaptor fitting for fuel lines, as shown and described. 